Example usage for java.lang ClassLoader getResourceAsStream

Introduction

In this page you can find the example usage for java.lang ClassLoader getResourceAsStream.

Prototype

public InputStream getResourceAsStream(String name) 

Source Link

Document

Returns an input stream for reading the specified resource.

Usage

From source file:com.jkoolcloud.tnt4j.streams.utils.Utils.java

/**
 * Loads properties from resource with given name.
 *
 * @param name/*from   w  w w  .  ja  va  2s. co  m*/
 *            the resource name
 * @return properties loaded from resource
 * @throws java.io.IOException
 *             if an error occurred when reading properties file
 *
 * @see java.lang.ClassLoader#getResourceAsStream(String)
 * @see java.util.Properties#load(java.io.InputStream)
 */
public static Properties loadPropertiesResource(String name) throws IOException {
    Properties rProps = new Properties();

    ClassLoader loader = Thread.currentThread().getContextClassLoader();
    InputStream ins = loader.getResourceAsStream(name);

    try {
        rProps.load(ins);
    } finally {
        close(ins);
    }

    return rProps;
}

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From source file:ee.sk.digidoc.SignedDoc.java

/**
 * Reads the cert from a file, URL or from another
 * location somewhere in the CLASSPATH such as
 * in the librarys jar file./*from www. j ava  2s.  co  m*/
 * @param certLocation certificates file name,
 * or URL. You can use url in form jar://<location> to read
 * a certificate from the car file or some other location in the
 * CLASSPATH
 * @return certificate object
 */
public static X509Certificate readCertificate(String certLocation) throws DigiDocException {
    X509Certificate cert = null;
    InputStream isCert = null;
    try {
        URL url = null;
        if (certLocation.startsWith("http")) {
            url = new URL(certLocation);
            isCert = url.openStream();
        } else if (certLocation.startsWith("jar://")) {
            ClassLoader cl = ConfigManager.instance().getClass().getClassLoader();
            isCert = cl.getResourceAsStream(certLocation.substring(6));
        } else {
            isCert = new FileInputStream(certLocation);
        }
        CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
        cert = (X509Certificate) certificateFactory.generateCertificate(isCert);
        isCert.close();
        isCert = null;
    } catch (Exception ex) {
        DigiDocException.handleException(ex, DigiDocException.ERR_READ_FILE);
    } finally {
        if (isCert != null) {
            try {
                isCert.close();
            } catch (Exception ex2) {
                m_logger.error("Error closing streams: " + ex2);
            }
        }
    }
    return cert;
}

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From source file:org.apache.ignite.internal.util.spring.IgniteSpringHelperImpl.java

/** {@inheritDoc} */
@Override//from  w w w.  ja  v a 2 s  .co  m
public String userVersion(ClassLoader ldr, IgniteLogger log) {
    assert ldr != null;
    assert log != null;

    // For system class loader return cached version.
    if (ldr == U.gridClassLoader() && SYS_LDR_VER.get() != null)
        return SYS_LDR_VER.get();

    String usrVer = U.DFLT_USER_VERSION;

    InputStream in = ldr.getResourceAsStream(IGNITE_XML_PATH);

    if (in != null) {
        // Note: use ByteArrayResource instead of InputStreamResource because
        // InputStreamResource doesn't work.
        ByteArrayOutputStream out = new ByteArrayOutputStream();

        try {
            U.copy(in, out);

            DefaultListableBeanFactory factory = new DefaultListableBeanFactory();

            XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(factory);

            reader.loadBeanDefinitions(new ByteArrayResource(out.toByteArray()));

            usrVer = (String) factory.getBean("userVersion");

            usrVer = usrVer == null ? U.DFLT_USER_VERSION : usrVer.trim();
        } catch (NoSuchBeanDefinitionException ignored) {
            if (log.isInfoEnabled())
                log.info("User version is not explicitly defined (will use default version) [file="
                        + IGNITE_XML_PATH + ", clsLdr=" + ldr + ']');

            usrVer = U.DFLT_USER_VERSION;
        } catch (BeansException e) {
            U.error(log, "Failed to parse Spring XML file (will use default user version) [file="
                    + IGNITE_XML_PATH + ", clsLdr=" + ldr + ']', e);

            usrVer = U.DFLT_USER_VERSION;
        } catch (IOException e) {
            U.error(log, "Failed to read Spring XML file (will use default user version) [file="
                    + IGNITE_XML_PATH + ", clsLdr=" + ldr + ']', e);

            usrVer = U.DFLT_USER_VERSION;
        } finally {
            U.close(out, log);
        }
    }

    // For system class loader return cached version.
    if (ldr == U.gridClassLoader())
        SYS_LDR_VER.compareAndSet(null, usrVer);

    return usrVer;
}

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From source file:org.acmsl.commons.regexpplugin.RegexpManager.java

/**
 * Retrieves the stream associated to the resource
 * whose name is given, using a concrete class loader.
 * @param loader the class loader./*ww  w .  j  av a 2  s. c  om*/
 * @param name the resource name.
 * @return the stream.
 */
@Nullable
protected InputStream getResourceAsStream(@Nullable final ClassLoader loader, @NotNull final String name) {
    return AccessController.doPrivileged(new PrivilegedAction<InputStream>() {
        public InputStream run() {
            final InputStream result;

            if (loader != null) {
                result = loader.getResourceAsStream(name);
            } else {
                result = ClassLoader.getSystemResourceAsStream(name);
            }

            return result;
        }
    });
}

---

From source file:org.apache.maven.archetype.old.DefaultOldArchetype.java

private InputStream getStream(String name, ClassLoader loader) {
    if (loader == null) {
        return Thread.currentThread().getContextClassLoader().getResourceAsStream(name);
    }/*from  w ww  .j  a  va  2s .com*/
    return loader.getResourceAsStream(name);
}

---

From source file:geva.Main.AbstractRun.java

/**
 * Read the default properties. Replace or add properties from the command line.
 * If the file is not found on the file system class loading from the jar is tried
 * @param args arguments//from   w  ww  . j  a va  2 s. co  m
 */
@SuppressWarnings({ "IOResourceOpenedButNotSafelyClosed" })
protected void readProperties(String[] args) {
    ClassLoader loader;
    InputStream in;
    try {
        this.properties = new Properties();
        File f = new File(this.propertiesFilePath);
        if (!f.exists()) { // try classloading
            loader = ClassLoader.getSystemClassLoader();
            in = loader.getResourceAsStream(this.propertiesFilePath);
            this.properties.load(in);
            logger.info("Loading properties from ClassLoader and: " + this.propertiesFilePath);
        } else {
            FileInputStream is = new FileInputStream(f);
            this.properties.load(is);
            logger.info("Loading properties from file system: " + this.propertiesFilePath);
        }
        if (args != null) {
            for (int i = 0; i < args.length; i++) {
                if (args[i].startsWith("-") && args.length > (i + 1)
                        && !args[i].equals(Constants.VERSION_FLAG)) {
                    this.properties.setProperty(args[i].substring(1), args[i + 1]);
                    i++;
                }
            }
        }
        for (Enumeration e = properties.keys(); e.hasMoreElements();) {
            String key = (String) e.nextElement();
            logger.info(key + "=" + properties.getProperty(key, "Not defined"));
        }
    } catch (IOException e) {
        loader = ClassLoader.getSystemClassLoader();
        in = loader.getResourceAsStream(this.propertiesFilePath);
        try {
            this.properties.load(in);
        } catch (Exception ex) {
            System.err.println("Properties reading output caught:" + ex);
        }
        System.err.println(MessageFormat.format("Using default: {0} Bad:{1} Could not load:{2}",
                this.propertiesFilePath, this.propertiesFilePath, e));
    } catch (Exception e) {
        System.err
                .println("Could not commandline argument:" + e + " properties path:" + this.propertiesFilePath);
    }
}

---

From source file:geva.Mapper.ContextFreeGrammar.java

/**Read a BNF file to a string and call readBNFString to parse the grammar
 * string. Find file from the class loader
 * @param file_name name of file//from   w  ww  .j  a v a2s  . co m
 * @return parse success
 */
@SuppressWarnings({ "UnusedReturnValue", "IOResourceOpenedButNotSafelyClosed" })
public boolean readBNFFile(String file_name) throws MalformedGrammarException {
    StringBuffer contents = new StringBuffer();
    try {
        int bufferSize = 1024;
        String line;
        ClassLoader loader = ClassLoader.getSystemClassLoader();
        InputStream is = loader.getResourceAsStream(file_name);
        InputStreamReader isr = new InputStreamReader(is);
        BufferedReader br = new BufferedReader(isr, bufferSize);
        assert (br != null) : "Cannot load resource from classloader: " + file_name;
        while ((line = br.readLine()) != null) {
            contents.append(line);
            //readLine removes the lineseparator from http://www.javapractices.com/Topic42.cjp
            contents.append(System.getProperty("line.separator"));
        }
        br.close();
    } catch (FileNotFoundException e) {
        System.err.println("Grammar File not found: " + file_name);
        return false;
    } catch (NullPointerException e) {
        System.err.println("Grammar File not found in classloader: " + file_name);
        return false;
    } catch (IOException e) {
        System.err.println("IOException when looking for grammar file: " + file_name);
        return false;
    }
    contents.append("\n");
    return readBNFString(contents.toString());
}

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From source file:com.github.nlloyd.hornofmongo.MongoScope.java

protected Reader loadFromClasspath(String filePath) {
    Reader reader = null;/*from w ww  .ja  v  a  2  s  .  c o  m*/
    ClassLoader loader = this.getClass().getClassLoader();
    reader = new BufferedReader(new InputStreamReader(loader.getResourceAsStream(filePath)));
    return reader;
}

---

From source file:org.globus.security.provider.TestPEMFileBasedKeyStore.java

@BeforeClass
public void setUp() throws Exception {

    ClassLoader loader = TestPEMFileBasedKeyStore.class.getClassLoader();

    String[] trustedCertFilenames = new String[] { "testTrustStore/1c3f2ca8.0", "testTrustStore/b38b4d8c.0" };
    this.trustedDirectory = new DirSetupUtil(trustedCertFilenames);
    this.trustedDirectory.createTempDirectory();
    this.trustedDirectory.copy();
    for (String trustedCertFilename : trustedCertFilenames) {
        InputStream in = null;// w  w w.  j av a 2s  . c  o  m
        try {
            in = loader.getResourceAsStream(trustedCertFilename);
            if (in == null) {
                throw new Exception("Unable to load: " + trustedCertFilename);
            }
            this.trustedCertificates.put(this.trustedDirectory.getFileSetupUtil(trustedCertFilename),
                    CertificateLoadUtil.loadCertificate(in));
        } finally {
            if (in != null) {
                in.close();
            }
        }
    }

    String[] defaultTrustedCert = new String[] { "testTrustStore/d1b603c3.0" };
    this.defaultTrustedDirectory = new DirSetupUtil(defaultTrustedCert);
    this.defaultTrustedDirectory.createTempDirectory();
    this.defaultTrustedDirectory.copy();
    for (String aDefaultTrustedCert : defaultTrustedCert) {
        InputStream in = null;
        try {
            in = loader.getResourceAsStream(aDefaultTrustedCert);
            if (in == null) {
                throw new Exception("Unable to load: " + aDefaultTrustedCert);
            }
            this.trustedCertificates.put(this.defaultTrustedDirectory.getFileSetupUtil(aDefaultTrustedCert),
                    CertificateLoadUtil.loadCertificate(in));
        } finally {
            if (in != null) {
                in.close();
            }
        }
    }

    //        String proxyFilename1 = "validatorTest/gsi2fullproxy.pem";
    String proxyFilename1 = "validatorTest/gsi3independentFromLimitedProxy.pem";
    this.proxyFile1 = new FileSetupUtil(proxyFilename1);
    this.proxyFile1.copyFileToTemp();
    this.proxyCertificates.put(this.proxyFile1, new X509Credential(loader.getResourceAsStream(proxyFilename1),
            loader.getResourceAsStream(proxyFilename1)));

    String proxyFilename2 = "validatorTest/gsi3FromPathOneProxy.pem";
    this.proxyFile2 = new FileSetupUtil(proxyFilename2);
    this.proxyFile2.copyFileToTemp();
    this.proxyCertificates.put(this.proxyFile2, new X509Credential(loader.getResourceAsStream(proxyFilename2),
            loader.getResourceAsStream(proxyFilename2)));

    String certFilename = "validatorTest/testeec2.pem";
    this.certFile = new FileSetupUtil(certFilename);
    this.certFile.copyFileToTemp();
    String keyFilename = "validatorTest/testeec2-private.pem";
    this.keyFile = new FileSetupUtil(keyFilename);
    this.keyFile.copyFileToTemp();
    String keyEncFilename = "validatorTest/testeec2-private-enc.pem";
    this.keyEncFile = new FileSetupUtil(keyEncFilename);
    this.keyEncFile.copyFileToTemp();

    Security.addProvider(new GlobusProvider());
}

---

From source file:com.elecnor.ecosystem.serviceimpl.LicenseDirectoryServiceImpl.java

public Integer readFromHeader(ArrayList<String> excelHeader, String valToCheck) {
    int result = 0;
    try {/*w w  w. j av a  2  s. co  m*/
        ClassLoader cl = PropertyFileReader.class.getClassLoader();
        InputStream in = cl.getResourceAsStream("header.properties");
        Properties prop = new Properties();
        prop.load(in);
        if (valToCheck == null) {
            String excelUploadedHeader = excelHeader.toString().substring(1,
                    excelHeader.toString().indexOf("]"));
            if (excelUploadedHeader
                    .equalsIgnoreCase(prop.getProperty(ConstantUtil.STATE_LICENSE_EXCEL_FORMAT))) {
                result = 1;
            } else {
                result = 0;
            }
        } else {
            return Integer.valueOf(prop.getProperty(valToCheck));
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return result;
}

---

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